Abstract: A motor assembly includes a motor, a control circuit to generate a control signal, a motor driving circuit to cause a current to flow in the motor based on the control signal, a storage to store a first identifier uniquely identifying itself and a second identifier uniquely identifying another motor assembly within the communications network, and a communication circuit. The communication circuit transmits a data frame, in which the first identifier indicates a transmitting end, the second identifier indicates a receiving end, and a request are stored. The communication circuit receives from the other motor assembly a data frame including the second identifier indicating a transmitting end, the first identifier indicating a receiving end, and a request. In response the communication circuit transmits a data frame including the second identifier indicating a receiving end added thereto and the first identifier indicating a transmitting end added thereto.

Abstract: A motor drive system includes motor units to operate in accordance with a unified operation command transmitted from an outside to cause an operation to be accomplished by the motor drive system as a whole. Each motor unit includes a communication circuit to receive the unified operation command, a motor, a storage device to store data representing a rotation direction of the motor associated with the unified operation command, a control circuit, and a drive circuit to cause an electric current to pass through the motor based on a control signal. The control circuit is configured to refer to the data, and generate a control signal to cause the motor to rotate in the rotation direction associated with the unified operation command.

Abstract: An in-wheel motor system can drive an in-wheel motor stably, and also allows power feeding from the road surface, even when transmission and reception coils are misaligned. An in-wheel motor system (1) includes a power transmitter (100) that utilizes a resonance phenomenon using a magnetic field. The power transmitter (100) transmits power (P) wirelessly from the vehicle body to an in-wheel motor (10) mounted in a wheel. The in-wheel motor system (1) may also include a communication interface (110) that communicates between the vehicle body and the wheel, and the communication interface (110) may transmit a control signal (CTL) for driving the in-wheel motor.

Abstract: A temperature sensor includes a temperature detector, an element electrode wire, a lead wire, and an intermediate member. Each of the lead wire and the intermediate member is made of a Ni-based alloy or an Fe-based alloy. The element electrode wire and the intermediate member are welded together in such a manner that opposing surfaces, facing each other abut against each other to constitute an element-side weld. The intermediate member and the lead wire are welded together such that they overlap each other in a longitudinal direction Z to constitute a lead-side weld. The lead wire is extended closer to the temperature detector than the element-side weld is located. A gap between the element electrode wire and the lead wire at least in the longitudinal direction Z is filled with a filler. The element electrode wire, the element-side weld, and the lead wire are fixed to one another by the filler.

Abstract: A temperature sensor includes a thermo-sensitive element, a pair of element electrode wires electrically connected to the thermo-sensitive element, a sealing body covering the thermo-sensitive element and part of the pair of the element electrode wires, and a tablet formed with a pair of insertion holes through which the pair of the element electrode wires pass. An air bubble is formed at a position within the glass sealing body on a distal end side opposite to the tablet. The center of the air bubble is located within the outline of the thermo-sensitive element when viewed in the axial direction of the pair of the element electrode wires.

Abstract: A temperature sensor includes a thermistor element, signal lines 3 and a cover. The thermistor element includes a resistor whose resistance changes with the change of temperature, and electrode wires 22 drawn from the resistor. Each electrode wire 22 and the corresponding signal line 3 are joined to each other, by melting, base materials thereof. The electrode wires 22 contain metallic particles K containing platinum, oxide particles S dispersed in the metallic particles K, and pores H.

Abstract: A temperature sensor includes a thermo-sensitive element, a pair of element electrode wires electrically connected to the thermo-sensitive element, a glass sealing body that covers the thermo-sensitive element and part of the pair of the element electrode wires, and a tablet formed with a pair of insertion holes extending in an axial direction thereof, through which the pair of the element electrode wires pass respectively. The glass sealing body includes a sealing part formed so as to extend from an element side end surface thereof located on a side of the thermo-sensitive element toward the thermo-sensitive element, and a sagging part formed in each of the pair of the insertion holes so as to extend integrally from the sealing part. The length of the sagging part in the axial direction being smaller than or equal to 1.5 mm.

Abstract: An in-wheel motor system can drive an in-wheel motor stably, and also allows power feeding from the road surface, even when transmission and reception coils are misaligned. An in-wheel motor system (1) includes a power transmitter (100) that utilizes a resonance phenomenon using a magnetic field. The power transmitter (100) transmits power (P) wirelessly from the vehicle body to an in-wheel motor (10) mounted in a wheel. The in-wheel motor system (1) may also include a communication interface (110) that communicates between the vehicle body and the wheel, and the communication interface (110) may transmit a control signal (CTL) for driving the in-wheel motor.

Abstract: A temperature sensor has a thermosensitive element that detects temperature, a pair of element electrode wires electrically connected to the thermosensitive element, and a glass sealing body that has a sealing portion covering the thermosensitive element and a part of the element electrode wires. Further, the temperature sensor has a tablet that has an interface and a pair of insertion holes into which the element electrode wires are inserted, the tablet being joined to the glass sealing body through the interface. Further, the temperature sensor has a low Young's modulus layer provided in the glass sealing body, made of a material having lower low Young's modulus than that of a material forming the sealing portion, and at least partially connecting the sealing portion and the interface of the tablet.

Abstract: A temperature sensor includes a temperature detector, an element electrode wire, a lead wire, and an intermediate member. Each of the lead wire and the intermediate member is made of a Ni-based alloy or an Fe-based alloy. The element electrode wire and the intermediate member are welded together in such a manner that opposing surfaces, facing each other abut against each other to constitute an element-side weld. The intermediate member and the lead wire are welded together such that they overlap each other in a longitudinal direction Z to constitute a lead-side weld. The lead wire is extended closer to the temperature detector than the element-side weld is located. A gap between the element electrode wire and the lead wire at least in the longitudinal direction Z is filled with a filler. The element electrode wire, the element-side weld, and the lead wire are fixed to one another by the filler.

Abstract: Provided is a tilting pad type journal bearing capable of reducing the amount of oil that has to be supplied to the bearing. A bearing comprises nozzles 5 which are each arranged between pads 2 to supply lubricating oil to sliding surfaces 14 of the pads 2. The sliding surface 14 of each of the pad 2 is formed so that the width of the sliding surface 14 increases as it goes from a front edge part towards a rear edge part thereof. A tip end part of each of the nozzles 5 has a groove part 18 which induces a flow heading from lateral parts towards the center in the width direction, in an oil flow from the rear edge part of the sliding surface 14 of an upstream pad 2 to the front edge part of the sliding surface 14 of a downstream pad 2.

Abstract: Provided is a tilting pad bearing capable of suppressing the temperature rise of sliding surfaces of pads and reducing the amount of oil that has to be supplied to the bearing. The tilting pad bearing comprises: a bearing housing 4; a plurality of pads 2 which are arranged to be pivotable with respect to the bearing housing 4; a channel 31 which is formed in each of the pads 2; a first nozzle 9 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear end surface 8 of the pad 2; and a second nozzle 10 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear edge part of a sliding surface 5 of the pad 2.

Abstract: An in-wheel motor system can drive an in-wheel motor stably, and also allows power feeding from the road surface, even when transmission and reception coils are misaligned. An in-wheel motor system (1) includes a power transmitter (100) that utilizes a resonance phenomenon using a magnetic field. The power transmitter (100) transmits power (P) wirelessly from the vehicle body to an in-wheel motor (10) mounted in a wheel. The in-wheel motor system (1) may also include a communication interface (110) that communicates between the vehicle body and the wheel, and the communication interface (110) may transmit a control signal (CTL) for driving the in-wheel motor.

Abstract: Provided is a tilting pad type journal bearing capable of reducing the amount of oil that has to be supplied to the bearing. A bearing comprises nozzles 5 which are each arranged between pads 2 to supply lubricating oil to sliding surfaces 14 of the pads 2. The sliding surface 14 of each of the pad 2 is formed so that the width of the sliding surface 14 increases as it goes from a front edge part towards a rear edge part thereof. A tip end part of each of the nozzles 5 has a groove part 18 which induces a flow heading from lateral parts towards the center in the width direction, in an oil flow from the rear edge part of the sliding surface 14 of an upstream pad 2 to the front edge part of the sliding surface 14 of a downstream pad 2.

Abstract: Provided is a tilting pad bearing capable of suppressing the temperature rise of sliding surfaces of pads and reducing the amount of oil that has to be supplied to the bearing. The tilting pad bearing comprises: a bearing housing 4; a plurality of pads 2 which are arranged to be pivotable with respect to the bearing housing 4; a channel 31 which is formed in each of the pads 2; a first nozzle 9 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear end surface 8 of the pad 2; and a second nozzle 10 which is formed in each of the pads 2, connects with the channel 31, and is open on a rear edge part of a sliding surface 5 of the pad 2.

Abstract: A temperature sensor includes a thermo-sensitive element, a pair of element electrode wires electrically connected to the thermo-sensitive element, a sealing body covering the thermo-sensitive element and part of the pair of the element electrode wires, and a tablet formed with a pair of insertion holes through which the pair of the element electrode wires pass. An air bubble is formed at a position within the glass sealing body on a distal end side opposite to the tablet. The center of the air bubble is located within the outline of the thermo-sensitive element when viewed in the axial direction of the pair of the element electrode wires.

Abstract: A temperature sensor includes a thermo-sensitive element, a pair of element electrode wires electrically connected to the thermo-sensitive element, a glass sealing body that covers the thermo-sensitive element and part of the pair of the element electrode wires, and a tablet formed with a pair of insertion holes extending in an axial direction thereof, through which the pair of the element electrode wires pass respectively. The glass sealing body includes a sealing part formed so as to extend from an element side end surface thereof located on a side of the thermo-sensitive element toward the thermo-sensitive element, and a sagging part formed in each of the pair of the insertion holes so as to extend integrally from the sealing part. The length of the sagging part in the axial direction being smaller than or equal to 1.5 mm.

Abstract: A temperature sensor has a thermosensitive element that detects temperature, a pair of element electrode wires electrically connected to the thermosensitive element, and a glass sealing body that has a sealing portion covering the thermosensitive element and a part of the element electrode wires. Further, the temperature sensor has a tablet that has an interface and a pair of insertion holes into which the element electrode wires are inserted, the tablet being joined to the glass sealing body through the interface. Further, the temperature sensor has a low Young's modulus layer provided in the glass sealing body, made of a material having lower low Young's modulus than that of a material forming the sealing portion, and at least partially connecting the sealing portion and the interface of the tablet.

Abstract: A tilting pad bearing is provided that can reduce an amount of oil leaking from the side edges of a sliding surface of a pad, thereby reducing an amount of oil to be fed onto the sliding surface of the pad. The tilting pad bearing includes journal pads arranged in a circumferential direction of a rotating shaft, and a bearing housing for carrying the journal pads in a tiltable manner via associated pivots. Lubricating oil is fed to a sliding surface of the journal pad via an oil-feeding hole formed in the journal pad. The sliding surface of the journal pad has a portion formed so that the portion has an axial width that gradually increases, as the axial width approaches the circumferential downstream side of the rotating shaft, from an oil-feed start position.

Abstract: An apparatus for fracturing in which: a fracturing tooth is formed so that a base-end portion has a larger diameter than that of a top-end portion, and a tapered part is formed at the base-end portion so as to expand from the top toward the base; a fixing cover is formed along a longitudinal direction of rolls; in the fixing cover, fixing holes for fracturing teeth are formed along the longitudinal direction so that the fracturing tooth is inserted therein; each of the fixing holes has a slope in which the tapered part is in contact at a surface; a fracturing teeth unit is fixed to the roll in a state in which the top-end portion of the fracturing tooth is protruded from the fixing hole radially-outwardly of the roll and the tapered part is wedged between the slope of the fixing hole and the roll.